Opened ”Just In Case”: How uncertainty shapes sterile equipment decisions in surgical operating theatres

When does reasonable preparedness become avoidable waste? My Laidlaw project uses SUSTAIN, a simulated operating theatre, to explore how uncertainty shapes sterile equipment-opening decisions—and how safer, more sustainable interventions could be designed.

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During operating-theatre preparation, sterile equipment is sometimes opened “just in case” but ultimately remains unused. Although this can create environmental and financial costs, anticipatory opening may also represent a reasonable response to changing procedural plans, equipment availability, ambiguous communication and patient-safety demands.

My Laidlaw research at the University of Leeds focused on the decision before the waste. I developed a mixed-methods simulation proposal using SUSTAIN, a high-fidelity simulated operating-theatre laboratory, to investigate how different forms of uncertainty influence equipment-opening behaviour.

The project integrates the COM-B model and Sociotechnical Systems Theory to examine both behavioural mechanisms and the wider clinical system. Rather than encouraging teams simply to use less equipment, the study aims to identify interventions that support safe, prepared and resource-efficient decision-making.

The poster provides a visual overview of the conceptual framework, proposed simulation scenarios and potential intervention pathways. The accompanying research paper presents the project’s complete rationale, methodology, limitations and anticipated contributions.

Ultimately, sustainable surgery requires better-supported decisions—not simply less equipment.